Updated openstack/openstack
Project: openstack/pylockfile  af3b2bd120877fe996ff4723ffb4bff06a43d692

The version of sphinx being brought in is broken

The global requirements repo has blocked 1.3b1, so
in order for pylockfile builds to stop failing so
should we. In the future we should investigate why
the requirements aren't syncing for this repo.

Change-Id: I8a999cc044d3687cc410b56b1db490e38b9b9a50